If a person texts in with an incorrect or misspelled keyword, the text will show up in your messages section.
This can happen, which is why we always suggest that make your keywords simple.
If this happens, it’s no big deal! Within that conversation, click the person icon in the top-right corner of the page.
This will open their person profile. From there you can choose the plus icon at the bottom right to add them to the desired group.
If you need to adjust your keywords, you can do that under the Groups tab, when editing the group details.